Yates, Ricardo Baeza., Neto, Berthier Ribeiro <br/><br/>
Modern Information Retrieval 

 - 4th Imp 
 -  Pearson Edu  2009 
 - 513 
<br/><br/><label>ISBN: </label>978-81-317-0977-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Science